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Dot-matrix-initiated molecularly imprinted nanocomposite membranes for selective recognition: a high-efficiency separation system with an anti-oil fouling layer
Environmental Science: Nano ( IF 5.8 ) Pub Date : 2021-08-17 , DOI: 10.1039/d1en00296a Jia Gao 1 , Li Chen 1 , Yongsheng Yan 1 , Jian Lu 1 , Wendong Xing 1 , Jiangdong Dai 1 , Minjia Meng 1 , Yilin Wu 1
Environmental Science: Nano ( IF 5.8 ) Pub Date : 2021-08-17 , DOI: 10.1039/d1en00296a Jia Gao 1 , Li Chen 1 , Yongsheng Yan 1 , Jian Lu 1 , Wendong Xing 1 , Jiangdong Dai 1 , Minjia Meng 1 , Yilin Wu 1
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The dot-matrix-initiated molecularly imprinted nanocomposite membranes (P/A-PTX@MIMs) with an anti-oil fouling layer have been successfully prepared. The multistage nanocomposite structure was carried out on P/A-PTX@MIMs for supplementing the anti-oil fouling property and the high specific recognition surface. (i) The proanthocyanidins (PC) was copolymerized with 3-aminopropyltriethoxysilane (APTEs) to generate functional nanoparticles layer in order to improve the anti-oil performance as well as to provide a second reaction platform for imprinted polymerization. (ii) The paclitaxel (PTX)-imprinted polymers were formed and distributed in an irregular dot-matrix-initiated multistage nanocomposite structure of the membrane by reformative sol–gel imprinted reaction. The static adsorption and dynamic adsorption presented that P/A-PTX@MIMs exhibited remarkable adsorption capacity, with the equilibrium adsorption capacity and adsorption time of 16.18 mg g−1 and 60 min, respectively. Also, the impressive specific recognition capacity (αPTX/10-DBA III = 4.10 and αPTX/DOC = 3.67) and permselectivity (β10-DAB III/PTX = 7.54, βDOC/PTX = 7.72) with stable regeneration ability were obtained. The relationship between the structure and the performance was explored by analyzing the morphology and chemical structure, which included a detailed and in-depth study of the PTX-imprinted site formation and specific adsorption mechanisms. Importantly, the proposed modified strategy provided a potential “applicable strategy” in the chemical separation industry and biomedicine.
中文翻译：
用于选择性识别的点阵引发的分子印迹纳米复合膜：具有防油污层的高效分离系统
已成功制备具有抗油污层的点阵引发的分子印迹纳米复合膜（P/A-PTX@MIMs）。在P/A-PTX@MIMs上进行多级纳米复合结构，以补充抗油污性能和高比识别表面。(i) 原花青素 (PC) 与 3-氨基丙基三乙氧基硅烷 (APTE) 共聚以生成功能性纳米颗粒层，以提高抗油性能并为印迹聚合提供第二个反应平台。(ii) 紫杉醇 (PTX) 印迹聚合物通过重组溶胶-凝胶印迹反应形成并分布在膜的不规则点阵引发的多级纳米复合结构中。-1和 60 分钟，分别。此外，令人印象深刻的特异性识别能力（ α PTX/10-DBA III = 4.10 和α PTX/DOC = 3.67）和渗透选择性（ β 10-DAB III/PTX = 7.54， β DOC/PTX = 7.72）具有稳定的再生能力。获得。通过分析形貌和化学结构，探索了结构与性能之间的关系，其中包括对 PTX 印迹位点形成和特定吸附机制的详细深入研究。重要的是，提议的修改策略为化学分离行业和生物医学提供了一种潜在的“适用策略”。
更新日期：2021-08-31
中文翻译：
用于选择性识别的点阵引发的分子印迹纳米复合膜：具有防油污层的高效分离系统
已成功制备具有抗油污层的点阵引发的分子印迹纳米复合膜（P/A-PTX@MIMs）。在P/A-PTX@MIMs上进行多级纳米复合结构，以补充抗油污性能和高比识别表面。(i) 原花青素 (PC) 与 3-氨基丙基三乙氧基硅烷 (APTE) 共聚以生成功能性纳米颗粒层，以提高抗油性能并为印迹聚合提供第二个反应平台。(ii) 紫杉醇 (PTX) 印迹聚合物通过重组溶胶-凝胶印迹反应形成并分布在膜的不规则点阵引发的多级纳米复合结构中。-1和 60 分钟，分别。此外，令人印象深刻的特异性识别能力（ α PTX/10-DBA III = 4.10 和α PTX/DOC = 3.67）和渗透选择性（ β 10-DAB III/PTX = 7.54， β DOC/PTX = 7.72）具有稳定的再生能力。获得。通过分析形貌和化学结构，探索了结构与性能之间的关系，其中包括对 PTX 印迹位点形成和特定吸附机制的详细深入研究。重要的是，提议的修改策略为化学分离行业和生物医学提供了一种潜在的“适用策略”。
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